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CLEye with QT - seperate classes to use within qt
 
refuzee
Posted: 27 August 2013 04:36 AM   [ Ignore ]
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Hi,

I’m new to C++ and QT and struggeling to seperate the multicam example to work as a class of its own.

Maybe some of you can be of help, as a really need to get this to work.

Here is the Stackoverflow link, hope this is appropriate.

http://stackoverflow.com/questions/18461687/instantiate-a-class-within-another-class

Thanks so much.

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refuzee
Posted: 27 August 2013 07:08 AM   [ Ignore ]   [ # 1 ]
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Ok, so i catched the error when tryin to acces the class by my main program class.

Now i have the problem if I close the Camera with my QT Stopbutton Connection the mainwindow in QT freezes.

I don’t know why the Mainwindow freezes when closing the Camerawindow with

cam[0]->stopCapture(); 

void qtDEVC::stopCam()
{
    qDebug()<<("stopCam()");
    cam[0]->StopCapture();
    delete cam[0];
    ui.lineEditID->setDisabled(false);
    ui.pushButton_startCam->setDisabled(false);
} 

The camera window closes properly just the mainwindow freezes.

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AlexP
Posted: 29 August 2013 03:53 PM   [ Ignore ]   [ # 2 ]
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What is the code inside your CLEyeCameraCapture::StopCapture() method?
How to you stop the capture thread?

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refuzee
Posted: 30 August 2013 07:47 AM   [ Ignore ]   [ # 3 ]
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thanks for your reply!

//stop Capturing with Camera and close window
    void CLEyeCameraCapture::StopCapture()
    {
        if(!_running)    return;
        _running = false;
        WaitForSingleObject(_hThread, 1000);
        cvDestroyWindow(_windowName);
    } 

this is the same as the original.

unfortunately the multicam example is not playing very well together with my idea to make a QT Application with a control window and a cameraviewer out of it. I now managed to seperate the class and integrate it, but i guess there is no way around to translating:

 

_hThread = CreateThread(NULL, 0, &CLEyeCameraCapture;::CaptureThread, this, 0, 0); 

to a QThread.

But I guess this will be more of a QT Question.

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